000 | 00304pam a2200109a 44500 | ||
---|---|---|---|
082 |
_aTR _bIC-9313 |
||
100 | _aGary P. Sames | ||
245 | 1 | _aRoof control of stress-relief jointing near out crops in central appalachian drifft coal mines | |
260 |
_a _b _c |
||
700 | _aNoel N. Moebs | ||
997 | _aTR6538 C | ||
999 |
_c405744 _d405744 |